Panelist Biographies
Dr. Daniel Evans, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA
Dr. Daniel Evans is an astrophysicist at Harvard University. He received
his Ph.D. in 2005 from the University of Bristol, United Kingdom, and has
been a University Postdoctoral Fellow at Harvard since 2005. His research
interests lie in energy transport processes in active galactic nuclei,
including the accretion of matter on to supermassive black holes, the
production and propagation of relativistic jets, and the mechanisms by
which jets inject their energy into their surroundings. He emphasizes a
multiwavelength approach in his research, and combines observations in the
X-ray, optical, and radio wavebands to understand the astrophysics of
active galaxies. Dr. Evans has been the principal investigator on numerous
satellite-based observing proposals.
Dr. Martin Hardcastle, University of Hertfordshire, U.K. 
Dr. Martin Hardcastle is a Royal Society Research Fellow and Senior
Lecturer at the University of Hertfordshire, United Kingdom. He
received his Ph.D. in astrophysics from the University of Cambridge in
1997 and did post-doctoral work at the University of Bristol before
taking up his present post in 2004. His research interests center
around the jets from active galactic nuclei, including the methods by
which they are fuelled, the physics and physical conditions of the
jets themselves, and the interactions of the jets with their
environments as revealed by X-ray, optical and radio observations.
Dr. Hardcastle is author or co-author of 90 papers in scientific
journals, over half of which have involved the use of Chandra.
Dr. Neil deGrasse Tyson , University of Hertfordshire, U.K. 
Dr. Neil deGrasse Tyson is an astrophysicist with the American Museum
of Natural History in New York City, where he also serves as the
Frederick P. Rose Director of its Hayden Planetarium. He earned his
PhD in Astrophysics from Columbia. Tyson’s research interests
include star formation, supernovae, dwarf galaxies, and the structure
of our Milky Way, based on data obtained from the Hubble Space
Telescope, as well as from telescopes in California, New Mexico,
Arizona, and in the Andes Mountains of Chile. In 2004, Tyson was
appointed by President Bush to serve on a 9-member commission on the
Implementation of the United States Space Exploration Policy, dubbed
the "Moon, Mars, and Beyond" commission. Tyson also serves on NASA’s
Advisory Council, which helps guide NASA through its perennial need to
fit its ambitious vision into its restricted budget. In addition to
his professional publications, Tyson writes for the public. Among
Tyson's eight books is his memoir The Sky is Not the Limit: Adventures
of an Urban Astrophysicist; and the playful and informative Death By
Black Hole and Other Cosmic Quandaries, which was a recent New York
Times bestseller. Tyson is the recipient of nine honorary doctorates
and the NASA Distinguished Public Service Medal.
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